描述
Tyrosinemia type I is caused by a defect in in gene FAH, which encodes fumarylacetoacetate hydrolase (FAH), the last enzyme in the tyrosine catabolism pathway, resulting in accumulation of succinylacetone (SA) that reacts with amino acids and proteins to form stable adducts via Schiff base formation. Symptoms of Tyrosinemia type I include failure to thrive, diarrhea, jaundice, cabbage-like odor and kidney failure.